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Finding the Fourth Proportional to 84,772.80, 127,159.17 and 22,443.30

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Solution

The fourth proportional to 84,772.80, 127,159.17 and 22,443.30 is: 33,664.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,772.80 : 127,159.17 = 22,443.30 : x
  2. Step 2: Convert to fraction form
    84,772.80/127,159.17 = 22,443.30/x
  3. Step 3: Cross multiply
    84,772.80x = 127,159.17 × 22,443.30
  4. Step 4: Simplify right side
    84,772.80x = 2,853,871,400.06
  5. Step 5: Solve for x
    x = 2,853,871,400.06/84,772.80
  6. Step 6: Final answer
    x = 33,664.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.